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  1. ... recessive, so PP or Pp will display the trait for tasting PTC.

    3 Answers · Science & Mathematics · 03/12/2008

  2. First understand that an organism can has a pair of alleles. Those alleles can have different genes. A gene can be dominant meaning if the organism has one allele with that gene the gene is "active". Recessive is...

    2 Answers · Science & Mathematics · 22/06/2012

  3. 1/4. Since "tasting" is dominant, it can be represented by T. If they have a daughter that is not a taster, her genotype must be tt. Finn and Maggie must be heterozygous, Tt. Therefore, the...

    2 Answers · Science & Mathematics · 06/03/2013

  4. No, you will be fine... I have too...

    3 Answers · Science & Mathematics · 29/02/2012

  5. Hardy-Weinberg equilibrium describes the allele frequencies in a non-evolving population. It uses this equation: p^2 + 2pq + q^2 = 1 p^2 is the frequency of homozygous dominant individuals. (AA) 2pq is the...

    1 Answers · Science & Mathematics · 22/01/2012

  6. Only thing I can think of is Premature Termination Codon. This is a mutation (a "Truncation Mutation") which changes a codon halfway through the gene into a STOP codon, and results...

    1 Answers · Science & Mathematics · 17/10/2007

  7. If he can taste it then he has an allele for P. His wife also has a P. They both are Pp since the mother and father are both pp.

    1 Answers · Science & Mathematics · 28/09/2010

  8. Look up "incomplete penetrance." http://onlinelibrary.wiley.com/doi/10.1111/j.1469-1809.1958.tb01414.x/abstract This article is saying that about 10% of the time, someone who should be a taster isn't. That's about the same odds that Dad isn't Dad...

    1 Answers · Science & Mathematics · 12/02/2012

  9. PubMed has some good online books. Start here:

    1 Answers · Science & Mathematics · 29/08/2007

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